20449045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2129}}^1$

素因数の和:2264

約数の個数: 16

約数和(自身を含む): 26224560

約数和(自身を除く): 5775515

約数列:

[1, 5, 17, 85, 113, 565, 1921, 2129, 9605, 10645, 36193, 180965, 240577, 1202885, 4089809, 20449045]

約数ペア:

[(1, 20449045), (5, 4089809), (17, 1202885), (85, 240577), (113, 180965), (565, 36193), (1921, 10645), (2129, 9605)]